Xylem-ray
a vascular ray extending into or located entirely within the secondary xylem.
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- Xylene
any of three oily, colorless, water-insoluble, flammable, toxic, isomeric liquids, c 8 h 10 , of the benzene series, obtained mostly from coal tar: used chiefly in the manufacture of dyes. historical examples the science of fingerprints federal bureau of investigation the science of fingerprints federal bureau of investigation the science of fingerprints federal bureau […]
- Xylic-acid
any of six colorless, crystalline, isomeric acids having the formula c 9 h 10 o 2 , derived from xylene.
- Xylidine
any of six isomeric compounds that have the formula c 8 h 11 n, are derivatives of xylene, and resemble aniline: used in dye manufacture. an oily liquid consisting of a mixture of certain of these compounds, used commercially in making dyes. noun a mixture of six isomeric amines derived from xylene and used in […]
- Xylitol
a naturally occurring pentose sugar alcohol, c 5 h 12 o 5 , used as a sugar subst-tute. contemporary examples these are the 15 supplements to keep in your medicine cabinet ari meisel december 27, 2013 noun (chem) an artificial sweetener produced from xylose and used esp in chewing gum. formula: ch2hoh(choh)3ch2oh xylitol (zī’lĭ-tôl’, -tōl’) […]
- Xylography
the art of engraving on wood, or of printing from such engravings. historical examples from xylographs to lead molds; a.d. 1440-a.d. 1921 h. c. forster mrs. hale’s receipts for the million sarah josepha hale engraving: its origin, processes, and history henri delaborde noun the art, craft, or process of printing from wooden blocks